CN202402198U - Ignition energy detection device for magneto - Google Patents
Ignition energy detection device for magneto Download PDFInfo
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- CN202402198U CN202402198U CN2011205669447U CN201120566944U CN202402198U CN 202402198 U CN202402198 U CN 202402198U CN 2011205669447 U CN2011205669447 U CN 2011205669447U CN 201120566944 U CN201120566944 U CN 201120566944U CN 202402198 U CN202402198 U CN 202402198U
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- ignition energy
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Abstract
The utility model discloses an ignition energy detection device for a magneto, which belongs to the field of magnetos. The ignition energy detection device comprises a discharge probe, a first probe, a second probe, a resistor, an oscilloscope and an ignition energy calculation module, wherein the discharge probe discharges electricity to enable a secondary coil loop of an ignition system of the magneto to generate discharge current and voltage, the first probe collects discharge voltage and transmits the discharge voltage to the oscilloscope, the second probe collects the voltage value of the resistor and transmits the voltage value to the oscilloscope, if the resistance value of the resistor is X Ohm, the voltage value of the resistor is equivalent to the discharge current magnified by X times, so the oscilloscope obtains a discharge current-voltage curve, and the ignition energy calculation module works out the ignition energy of the magneto according to the discharge current-voltage curve. Due to adoption of the ignition energy detection device, the manufacturing cost, the fault rate and the maintenance cost of the detection device are reduced.
Description
Technical field
The utility model relates to a kind of detection device, particularly a kind of magneto ignition energy testing apparatus.
Background technique
In order to calculate the magneto ignition energy, discharge current and discharge voltage in the secondary winding loop of necessary collection magneto ignition system.At present; The magneto ignition energy testing apparatus is as shown in Figure 1; This magneto ignition energy testing apparatus is made up of discharge probe 1, current probe 4, first probe, 2, second probe 3, current amplifier, oscillograph and ignition energy computing module; First end of probe 1 of wherein discharging connects the secondary winding loop and the second end ground connection of magneto ignition system, and this discharge probe 1 is used for discharge so that this secondary winding loop generation discharge current and discharge voltage; First end and the other end that one end of first probe 2 connects the discharge probe connect oscillographic first input end, and this first probe 2 is used for gathering the discharge voltage in this secondary winding loop and is transferred to oscillograph, and oscillograph obtains discharge voltage profile thus; Second end and the other end that one end of current probe 4 connects discharge probe 1 connect the voltage signal amplifier input terminal; This current probe is used for gathering the discharge current in this secondary winding loop, and this discharge current is transferred to the voltage signal amplifier with the mode of voltage signal; The output terminal of voltage signal amplifier connects oscillographic second input end; Voltage signal after amplifying is sent to oscillograph; Wherein the voltage signal after this amplification is equivalent to the discharge current after amplifying in the secondary winding loop, and oscillograph obtains discharge current curves thus; Oscillographic output terminal connects the input end that the igniting power meter is calculated module, and this oscillograph is transferred to the ignition energy computing module with the discharge current-voltage curve that obtains, and is calculated the ignition energy of magnetogenerator by this ignition energy computing module.
Yet; In the discharge current and discharge voltage process of gathering the secondary winding loop; Traditional magneto ignition energy testing apparatus has increased current probe and voltage signal amplifier, and all about 1.2 ten thousand, the price of voltage signal amplifier is about 1.7 ten thousand for the price of pincerlike current probe in the market; Its structure more complicated and costing an arm and a leg, cost of equipment maintenance is high.
The model utility content
The purpose of the utility model is: to the problem of above-mentioned existence, a kind of magneto ignition energy testing apparatus is provided, it is simple in structure and greatly reduce manufacture cost, rate of fault and maintenance cost.
To achieve these goals; The utility model provides a kind of magneto ignition energy testing apparatus; Comprise discharge probe, first probe, second probe, oscillograph and ignition energy computing module; First end of wherein said discharge probe connects the secondary winding loop of magneto ignition system, and this discharge probe is used for discharge so that said secondary winding loop produces discharge current and discharge voltage;
First end and the other end that one end of said first probe connects said discharge probe connect said oscillographic first input end; This first probe is used for gathering the discharge voltage in said secondary winding loop and is transferred to said oscillograph, and said thus oscillograph obtains discharge voltage profile;
Said oscillographic output terminal is connected with said ignition energy computing module, and said oscillograph is used for discharge current-voltage curve is transferred to said ignition energy computing module, calculates the magneto ignition energy by said ignition energy computing module;
It is characterized in that: second end of said discharge probe is through resistance (R) ground connection, and wherein the resistance value of resistance (R) is X ohm; One end of said second probe connects said discharge probe and is connected said oscillographic second input end with the connected node and the other end of said resistance (R); Said second probe is used to gather the magnitude of voltage on the said resistance (R); Wherein this magnitude of voltage is equivalent to the discharge current that amplifies in the secondary winding loop after X times, and said thus oscillograph obtains discharge current curves;
Said oscillograph obtains said discharge current-voltage curve according to said discharge voltage profile and discharge current curves, and X is any number of non-zero.
The resistance value of said resistance (R) is the magnification factor of discharge current in the said secondary winding loop; And the setting of the magnification factor of discharge current is relevant with the calculating parameter during ignition energy calculates, and in the magnification factor of revising discharge current, also need revise corresponding calculating parameter.
The resistance value X of said resistance (R) is 100 ohm.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
Adopt cheap resistance to replace current probe and voltage signal amplifier to realize the discharge current in the secondary winding loop of magneto ignition system, under the prerequisite that guarantees the same detection degree of accuracy, reduced manufacture cost, rate of fault and maintenance cost.
Description of drawings
Fig. 1 is the circuit theory diagrams of traditional magneto ignition energy testing apparatus;
Fig. 2 is the circuit theory diagrams of magneto ignition energy testing apparatus in the utility model;
Fig. 3 is the laboratory data comparison diagram.
Mark among the figure: 1 is the discharge probe, and 2 is first probe, and 3 is second probe, and 4 is current probe, and R is a resistance.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In order to calculate the magneto ignition energy; Discharge current and discharge voltage in the secondary winding loop of necessary collection magneto ignition system; Because oscillographic probe can only be gathered voltage, therefore as shown in Figure 1, traditional magneto ignition energy testing apparatus adopts pincerlike current probe to gather the discharge current in the secondary winding loop; And this discharge current is transferred to the voltage signal amplifier with the form of voltage signal amplifies; Voltage signal after the amplification is transferred to oscillograph by second probe, voltage signal after wherein should amplifying and the curve equivalence of amplifying the back discharge current, and oscillograph has obtained discharge current curves thus.
Oscillograph is in order to obtain discharge current curves in traditional magneto ignition energy testing apparatus; Current probe and voltage signal amplifier have been increased; The price of pincerlike current probe is all about 1.2 ten thousand in the market; Therefore the price of voltage signal amplifier realizes that the cost of magneto ignition energy measuring is higher about 1.7 ten thousand.
The utility model adopts resistance R to substitute the discharge current curves in the secondary winding loop that above-mentioned current probe and voltage signal amplifier obtain magneto ignition system.Because the market price of pure resistive resistance is merely about 1 yuan, so the utility model greatly reduces manufacture cost, and because the instrument that uses is few, reduced the rate of fault and the maintenance cost of whole detection device.
As shown in Figure 2; This magneto ignition energy testing apparatus is made up of discharge probe 1, first probe, 2, second probe 3, oscillograph and ignition energy computing module; First end of probe 1 of wherein discharging connects secondary winding loop and second end of magneto ignition system through resistance R ground connection; This discharge probe 1 is used for discharge so that this secondary winding loop produces discharge current and discharge voltage, and wherein the resistance value of resistance R is X ohm; First end and the other end that one end of first probe 2 connects the discharge probe connect oscillographic first input end; This first probe 2 be used for gathering magneto ignition system the secondary winding loop discharge voltage and be transferred to oscillograph, oscillograph obtains discharge voltage profile thus; One end of second probe 3 connects the discharge probe and is connected oscillographic second input end with the connected node and the other end of resistance R; This second probe 3 is used to gather the magnitude of voltage on the resistance R and is transferred to oscillograph; Wherein this magnitude of voltage is equivalent to the discharge current that amplifies in the secondary winding loop after X times, and oscillograph obtains discharge current curves thus; Oscillograph obtains discharge current-voltage curve according to above-mentioned discharge voltage profile and discharge current curves, and this current-voltage curve figure is transferred to the ignition energy computing module, calculates the magneto ignition energy by the ignition energy computing module.It should be noted: the method that calculates the magneto ignition energy according to current-voltage curve figure is ripe existing technology; Can form through software and realize; And the carrier of this software (i.e. this ignition energy computing module) can be a computer, also can be other processing units etc.
In the embodiment of the utility model, select discharge current is amplified 100 times, so the resistance value of resistance R is 100 ohm.Certainly, the utility model can also be selected other magnification factors of discharge current, and corresponding resistance value is 200 ohm when amplifying 200 times.The setting of magnification factor is relevant with the calculating parameter in the ignition energy computational process, also need revise corresponding calculating parameter when revising magnification factor.
The working principle of the utility model is: the discharge of discharge probe 1 makes and produces discharge current and discharge voltage in the secondary winding loop of ignition system; First probe 2 is gathered the discharge voltage in secondary winding loop and is transferred to oscillograph, and oscillograph has obtained discharge voltage profile.
The magnitude of voltage that second probe 3 is gathered on the resistance R, because resistance R is connected in the secondary winding loop, therefore the electric current through resistance R is the discharge current I in the secondary winding loop; Magnitude of voltage on the resistance R is U=R*I=X*I; This shows that the magnitude of voltage on the resistance R is the discharge current that amplifies after X times, oscillograph has obtained discharge current curves;, X is any number of non-zero.
Oscillograph obtains discharge current-voltage curve according to discharge voltage profile and discharge current curves, and discharge current-voltage curve is transferred to the ignition energy computing module, calculates the magneto ignition energy by the ignition energy computing module.
Fig. 3 is traditional magneto ignition energy testing apparatus and the testing result comparison diagram of the utility model.Can find out by figure, both testing result basically identicals, so the utility model has reduced the manufacture cost of detection device, rate of fault and maintenance cost guaranteeing to have under the prerequisite of same detection degree of accuracy.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. magneto ignition energy testing apparatus; Comprise discharge probe (1), first probe (2), second probe (3), oscillograph and the ignition energy computing module; First end of wherein said discharge probe (1) connects the secondary winding loop of magneto ignition system, and this discharge probe (1) is used for discharge so that said secondary winding loop produces discharge current and discharge voltage;
First end and the other end that one end of said first probe (2) connects said discharge probe (1) connect said oscillographic first input end; This first probe (2) is used for gathering the discharge voltage in said secondary winding loop and is transferred to said oscillograph, and said thus oscillograph obtains discharge voltage profile;
Said oscillographic output terminal is connected with said ignition energy computing module, and said oscillograph is used for discharge current-voltage curve is transferred to said ignition energy computing module, calculates the magneto ignition energy by said ignition energy computing module;
It is characterized in that: second end of said discharge probe (1) is through resistance (R) ground connection, and wherein the resistance value of resistance (R) is X ohm; One end of said second probe (3) connects said discharge probe (1) and is connected said oscillographic second input end with the connected node and the other end of said resistance (R); Said second probe (3) is used to gather the magnitude of voltage on the said resistance (R); Wherein this magnitude of voltage is equivalent to the discharge current that amplifies in the secondary winding loop after X times, and said thus oscillograph obtains discharge current curves;
Said oscillograph obtains said discharge current-voltage curve according to said discharge voltage profile and discharge current curves, and X is any number of non-zero.
2. magneto ignition energy testing apparatus according to claim 1; It is characterized in that: the resistance value of said resistance (R) is the magnification factor of discharge current in the said secondary winding loop; And the setting of the magnification factor of discharge current is relevant with the calculating parameter during ignition energy calculates, and in the magnification factor of revising discharge current, also need revise corresponding calculating parameter.
3. magneto ignition energy testing apparatus according to claim 1 is characterized in that: the resistance value X of said resistance (R) is 100 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205669447U CN202402198U (en) | 2011-12-30 | 2011-12-30 | Ignition energy detection device for magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205669447U CN202402198U (en) | 2011-12-30 | 2011-12-30 | Ignition energy detection device for magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402198U true CN202402198U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205669447U Withdrawn - After Issue CN202402198U (en) | 2011-12-30 | 2011-12-30 | Ignition energy detection device for magneto |
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| CN (1) | CN202402198U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493908A (en) * | 2011-12-30 | 2012-06-13 | 力帆实业(集团)股份有限公司 | System for detecting ignition energy of magnetor |
| CN103032248A (en) * | 2013-01-28 | 2013-04-10 | 南安市柳城高捷图文设计工作室 | Operating and detecting method for ignition discharge energy testing jig of ignition coil |
| CN103047071A (en) * | 2013-01-28 | 2013-04-17 | 南安市柳城高捷图文设计工作室 | High pressure packing ignition discharging energy testing frame |
| CN103197238A (en) * | 2013-03-13 | 2013-07-10 | 上海沪工汽车电器有限公司 | Automotive relay coil energy releasing testing method |
| CN103982354A (en) * | 2014-05-14 | 2014-08-13 | 宁波爱姆奇汽车配件有限公司 | Comprehensive parameter tester for vehicle ignition coil |
-
2011
- 2011-12-30 CN CN2011205669447U patent/CN202402198U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493908A (en) * | 2011-12-30 | 2012-06-13 | 力帆实业(集团)股份有限公司 | System for detecting ignition energy of magnetor |
| CN102493908B (en) * | 2011-12-30 | 2013-06-12 | 力帆实业(集团)股份有限公司 | System for detecting ignition energy of magnetor |
| CN103032248A (en) * | 2013-01-28 | 2013-04-10 | 南安市柳城高捷图文设计工作室 | Operating and detecting method for ignition discharge energy testing jig of ignition coil |
| CN103047071A (en) * | 2013-01-28 | 2013-04-17 | 南安市柳城高捷图文设计工作室 | High pressure packing ignition discharging energy testing frame |
| CN103197238A (en) * | 2013-03-13 | 2013-07-10 | 上海沪工汽车电器有限公司 | Automotive relay coil energy releasing testing method |
| CN103197238B (en) * | 2013-03-13 | 2016-01-06 | 上海沪工汽车电器有限公司 | A kind of automotive relay coil releases energy method of testing |
| CN103982354A (en) * | 2014-05-14 | 2014-08-13 | 宁波爱姆奇汽车配件有限公司 | Comprehensive parameter tester for vehicle ignition coil |
| CN103982354B (en) * | 2014-05-14 | 2016-01-20 | 宁波爱姆奇汽车配件有限公司 | A kind of automobile ignition coil comprehensive parameter tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |